aboutsummaryrefslogtreecommitdiff
path: root/configure
blob: a9d54f2fbf71de40ca8f7522e76c63e135e6e7c0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
#!/bin/sh

# Configuration script
#   Copyright (C) 1988, 1990, 1991, 1992 Free Software Foundation, Inc.

#This file is part of GNU.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */

# Please email any bugs, comments, and/or additions to this file to:
# configure@cygnus.com

#
# Shell script to create proper links to machine-dependent files in
# preparation for compilation.
#
# If configure succeeds, it leaves its status in config.status.
# If configure fails after disturbing the status quo, 
# 	config.status is removed.
#

# NOTE: This script contains support for a Cygnus experimental feature, called
# +subdirs, which is currently, tentatively, de-supported.

export PATH || (echo "OOPS, this isn't sh.  Desperation time.  I will feed myself to sh."; sh $0 $argv; kill $$)

remove=rm
hard_link=ln
symbolic_link='ln -s'

#for Test
#remove="echo rm"
#hard_link="echo ln"
#symbolic_link="echo ln -s"

# clear some things potentially inherited from environment.

Makefile=Makefile
Makefile_in=Makefile.in
arguments=$*
commontargets=
configdirs=
datadir=
datadiroption=
defaulttargets=
fatal=
floating_point=default
gas=default
hosts=
next_prefix=
next_host=
next_site=
next_srcdir=
next_target=
next_tmpdir=
norecursion=
prefix=/usr/local
progname=
recurring=
removing=
srcdir=
srctrigger=
target=
targets=
undefinedargs=
verbose=
version="$Revision$"
x11=default

NO_EDIT="This file was generated automatically by configure.  Do not edit."

## this is a little touchy and won't always work, but...
##
## if the argv[0] starts with a slash then it is an absolute name that can be
## used as is.
##
## otherwise, if argv[0] has no slash in it, we can assume that it is on the
## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
##
## otherwise we prepend `pwd` to $0 and hope that will give us an absolute
## path.
##

PWD=`pwd`

if echo $0 | grep '^/' > /dev/null ; then
	progname=$0
elif echo $0 | grep '/' > /dev/null ; then
	progname=${PWD}/$0
else
	progname=$0
	PATH=$PATH:${PWD} ; export PATH
fi

for arg in $*;
do
	# handle things that might have args following as separate words
	if [ -n "${next_prefix}" ] ; then prefix=${arg} ; prefixoption="-prefix=${prefix}" ; next_prefix=
	elif [ -n "${next_datadir}" ] ; then datadir=${arg} ; datadiroption="-datadir=${datadir}" ; next_datadir=
	elif [ -n "${next_site}" ] ; then site=${arg} ; next_site=
	elif [ -n "${next_srcdir}" ] ; then srcdir=${arg} ; next_srcdir=		
	elif [ -n "${next_target}" ] ; then
		next_target=
		if [ -z "${targets}" ] ; then
			newtargets="${targets} ${arg}"
			targets="${newtargets}"
		else
			echo '***' Can only configure for one target at a time.
			fatal=yes
		fi
	elif [ -n "${next_tmpdir}" ] ; then
		next_tmpdir=
		tmpdiroption="--tmpdir=${arg}"
		TMPDIR=${arg}

	else
		case ${arg} in
		-datadir=* | --datadir=* | --datadi=* | --datad=* | --data=* | --dat=* | --da=* | --d=*)
			datadir=`echo ${arg} | sed 's/^[-a-z]*=//'`
			datadiroption=${arg}
			;;
		-datadir | --datadir | --datadi | --datad | --data | --dat | --da | --d)
			next_datadir=yes
			;;
		-gas | --g*)
			gas=yes
			;;
		-help | --he*)
			fatal=true
			;;
		-host=* | --host=* | --hos=* | --ho=*)
			if [ -z "${hosts}" ] ; then
				newhosts="${hosts} `echo ${arg} | sed 's/^[-a-z]*=//'`"
				hosts="${newhosts}"
			else
				echo '***' Can only configure for one host at a time.
				fatal=yes
			fi
			;;
		-nfp | --nf*)
			floating_point=no
			;;
		-norecursion | --no*)
			norecursion=true
			;;
		-prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
			prefix=`echo ${arg} | sed 's/^[-a-z]*=//'`
			prefixoption=${arg}
			;;
		-prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
			next_prefix=yes
			;;
		-recurring | --recurring | --recurrin | --recurri | --recurr | --recur | --recu | --rec | --re)
			recurring=true
			arguments=`echo ${arguments} | sed "s:${arg}::"`
			;;
		-rm | --rm)
			removing=${arg}
			;;
		-site=* | --site=* | --sit=* | --si=*)
			site=`echo ${arg} | sed 's/^[-a-z]*=//'`
			;;
		-site | --site | --sit | --si)
			next_site=yes
			;;
		-srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
			srcdir=`echo ${arg} | sed 's/^[-a-z]*=//'`
			;;
		-srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
			next_srcdir=yes
			;;
		-target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=*)
			if [ -z "${targets}" ] ; then
				newtargets="${targets} `echo ${arg} | sed 's/^[-a-z]*=//'`"
				targets="${newtargets}"
			else
				echo '***' Can only configure for one target at a time.
				fatal=yes
			fi
			;;
		-target | --target | --targe | --targ | --tar | --ta)
			next_target=yes
			;;
		-tmpdir=* | --tmpdir=* | --tmpdi=* | --tmpd=* | --tmp=* | --tm=*)
			tmpdiroption=${arg}
			TMPDIR=`echo ${arg} | sed 's/^[-a-z]*=//'`
			;;
		-tmpdir | --tmpdir | --tmpdi | --tmpd | --tmp | --tm)
			next_tmpdir=yes
			;;
		-v | -verbose | --v)
			verbose=${arg}
			;;
		-version | -V | --version | --V)
			echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
			exit 0
			;;
		-x | --x) ;;
		-* | --*)
			(echo ;
			echo "Unrecognized option: \"${arg}\"". ;
			echo) 1>&2
			fatal=true
			;;
		*)
			if [ -z "${undefs}" ] ; then
				newundefs="${undefs} ${arg}"
				undefs=${newundefs}
			else
				echo '***' Can only configure for one host and one target at a time.
				fatal=yes
			fi
			;;
		esac
	fi
done

# process host and target
if [ -z "${fatal}" ] ; then
#	# Complain if an arg is missing
#	if [ -z "${hosts}" ] ; then
#		(echo ;
#		echo "configure: No HOST specified." ;
#		echo) 1>&2
#		fatal=true
#	fi

### This is a bit twisted.
### * if all three are specified, this is an error.
### * if we have neither hosts, nor unadorned args, this is an error.
### * if no hosts are specified, then the unadorned args are hosts, but if
### there were none, this is an error.
### * if no targets are specified, then the unadorned args are targets, but if
### there were no unadorned args, then the hosts are also targets.

	if [ -n "${hosts}" -a -n "${targets}" -a -n "${undefs}" ] ; then
		echo '***' Can only configure for one host and one target at a time.
		fatal=yes
	elif [ -z "${hosts}" -a -z "${undefs}" ] ; then
		echo '***' You must tell me for which host you want to configure.
		fatal=yes
	else
		if [ -z "${hosts}" ] ; then
			hosts=${undefs}
		fi

		if [ -z "${targets}" ] ; then
			if [ -n "${undefs}" ] ; then
				targets=${undefs}
			else
				targets=${hosts}
			fi
		fi
	fi
fi

if [ -n "${fatal}" -o "${hosts}" = "help" ] ; then
	(echo "Usage: configure HOST" ;
	echo ;
	echo "Options: [defaults in brackets]" ;
	echo " -datadir=MYDIR	configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
	echo " -gas		configure the compilers for use with gas. [native as]" ;
	echo " -help		print this message. [normal config]" ;
	echo " -lang=LANG	configure to build LANG. [gcc]" ;
	echo " -nfp		configure the compilers default to soft floating point. [hard float]" ;
	echo " -norecursion	configure this directory only. [recurse]" ;
	echo " -prefix=MYDIR	configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
	echo " -rm		remove this configuration. [build a configuration]" ;
	echo " -site		configure with site specific makefile" ;
	echo " -srcdir=DIR	find the sources in DIR. [\".\" or \"..\"]" ;
	echo " -target=TARGET	configure for TARGET.  [TARGET = HOST]" ;
	echo " -tmpdir=TMPDIR	create temporary files in TMPDIR.  [ TMPDIR = \"/tmp\" ]" ;
	echo ;
	echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
	) 1>&2

	if [ -r config.status ] ; then
		cat config.status
	fi

	exit 1
fi

configsub=`echo ${progname} | sed 's/configure$/config.sub/'`

if ${configsub} `echo ${hosts} | sed -e 's/ .*//'` >/dev/null 2>&1 ; then
	true
else
	echo '***' cannot find config.sub.
	exit 1
fi

if [ -z "${srcdir}" ] ; then
	if [ -r configure.in ] ; then
		srcdir=.
	else
		echo '***' "Can't find configure.in.  Try using -srcdir=some_dir"
		exit 1
	fi
fi


### break up ${srcdir}/configure.in.
if [ -z "`grep '^# per\-host:' ${srcdir}/configure.in`" ] ; then
	echo '***' ${srcdir}/configure.in has no "per-host:" line. 1>&2
	exit 1
fi

if [ -z "`grep '^# per\-target:' ${srcdir}/configure.in`" ] ; then
	echo '***' ${srcdir}/configure.in has no "per-target:" line. 1>&2
	exit 1
fi

if [ -z "${TMPDIR}" ] ; then
	TMPDIR=/tmp ; export TMPDIR
fi

# keep this filename short for &%*%$*# 14 char file names
tmpfile=${TMPDIR}/cONf$$
trap "rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos" 0

# split ${srcdir}/configure.in into common, per-host, per-target,
# and post-target parts.  Post-target is optional.
sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
  sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
  sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
else
  sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
  echo >${tmpfile}.pos
fi

### do common part of configure.in

. ${tmpfile}.com

# some sanity checks on configure.in
if [ -z "${srctrigger}" ] ; then
	echo '***' srctrigger not set in ${PWD}/configure.in.
	exit 1
fi

for host in ${hosts} ; do
	# Default other arg
	if [ -z "${targets}" -o -n "${defaulttargets}" ] ; then
		targets=${host}
		defaulttargets=true
	fi

	host_alias=${host}

	result=`${configsub} ${host}`
	host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
	host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
	host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
	host=${host_cpu}-${host_vendor}-${host_os}
	host_makefile_frag=config/mh-${host}
	if [ ! -f ${host_makefile_frag} ]
	then
		host_makefile_frag=config/mh-${host_alias}
	fi

	. ${tmpfile}.hst

	for target in ${targets} ; do

		target_alias=${target}
		result=`${configsub} ${target}`
		target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
		target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
		target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
		target=${target_cpu}-${target_vendor}-${target_os}
		target_makefile_frag=config/mt-${target}
		if [ ! -f ${target_makefile_frag} ]
		then
			target_makefile_frag=config/mt-${target_alias}
		fi

		. ${tmpfile}.tgt

		if [ "${host_alias}" = "${target_alias}" ] ; then
			subdirname=H-${host_alias}
		else
			subdirname=X-${host_alias}-${target_alias}
		fi

		if [ -n "${namesubdir}" ] ; then
			subdirname=${namesubdir}
		fi

		if [ -n "${removing}" ] ; then
				rm -f ${Makefile} config.status ${links}
		else
			# Find the source files, if location was not specified.
			if [ -z "${srcdir}" ] ; then
				srcdirdefaulted=1
				srcdir=.
				if [ ! -r ${srctrigger} ] ; then
					srcdir=..
				fi
			fi

			if [ ! -r ${srcdir}/${srctrigger} ] ; then
				if [ -z "${srcdirdefaulted}" ] ; then
					echo '***' "${progname}: Can't find ${srcname} sources in ${PWD}/${srcdir}" 1>&2
				else
					echo '***' "${progname}: Can't find ${srcname} sources in ${PWD}/. or ${PWD}/.." 1>&2
				fi

				echo '***' \(At least ${srctrigger} is missing.\) 1>&2
				exit 1
			fi

			# Set up the list of links to be made.
			# ${links} is the list of link names, and ${files} is the list of names to link to.

			# Make the links.
			while [ -n "${files}" ] ; do
				# set file to car of files, files to cdr of files
				set ${files}; file=$1; shift; files=$*
				set ${links}; link=$1; shift; links=$*

				if [ ! -r ${srcdir}/${file} ] ; then
					echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
					echo '***' "since the file \"${file}\" does not exist." 1>&2
					exit 1
				fi

				${remove} -f ${link}
				rm -f config.status
				# Make a symlink if possible, otherwise try a hard link
				${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}

				if [ ! -r ${link} ] ; then
					echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
					exit 1
				fi

				if [ -n "${verbose}" ] ; then
					echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
				fi
			done

			# Create a .gdbinit file which runs the one in srcdir
			# and tells GDB to look there for source files.

			if [ -r ${srcdir}/.gdbinit ] ; then
				case ${srcdir} in
				.)
					;;
				*)
					echo "# "${NO_EDIT} > .gdbinit
					echo "dir ." >> .gdbinit
					echo "dir ${srcdir}" >> .gdbinit
					echo "source ${srcdir}/.gdbinit" >> .gdbinit
					;;
				esac
			fi

			# Install a makefile, and make it set VPATH
			# if necessary so that the sources are found.
			# Also change its value of srcdir.

		# FIXME-someday: This business of always writing to .tem and mv back
		# is so that I don't screw things up while developing.  Once this
		# template is stable, these should be optimized. xoxorich.

			# Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
			if [ "${host}" != "${target}" ] ; then
				echo "CROSS=-DCROSS_COMPILE" > ${Makefile}
				echo "ALL=all.cross" >> ${Makefile}
			else
				echo "ALL=all.internal" > ${Makefile}
			fi

			# set target, host, VPATH
			echo "host_alias = ${host_alias}" >> ${Makefile}
			echo "host_cpu = ${host_cpu}" >> ${Makefile}
			echo "host_vendor = ${host_vendor}" >> ${Makefile}
			echo "host_os = ${host_os}" >> ${Makefile}

			echo "target_alias = ${target_alias}" >> ${Makefile}
			echo "target_cpu = ${target_cpu}" >> ${Makefile}
			echo "target_vendor = ${target_vendor}" >> ${Makefile}
			echo "target_os = ${target_os}" >> ${Makefile}

				echo "subdir =" >> ${Makefile}
				echo "unsubdir = ." >> ${Makefile}

			echo "VPATH = ${srcdir}" >> ${Makefile}

			# add "Makefile.in" (or whatever it's called)
			cat ${srcdir}/${Makefile_in} >> ${Makefile}

			# Conditionalize the makefile for this site.
			if [ -n "${site}" ] ; then
				site_makefile_frag=config/ms-${site}

				if [ -f ${srcdir}/${site_makefile_frag} ] ; then
					echo "site_makefile_frag = ${srcdir}/${site_makefile_frag}" > Makefile.tem
					sed -e "/^####/  r ${srcdir}/${site_makefile_frag}" ${Makefile} >> Makefile.tem
				else
					echo "site_makefile_frag =" > Makefile.tem
					cat ${Makefile} >> Makefile.tem
				fi
				mv Makefile.tem ${Makefile}
			fi

			# Conditionalize the makefile for this host.
			if [ -f ${srcdir}/${host_makefile_frag} ] ; then
				echo "host_makefile_frag = ${srcdir}/${host_makefile_frag}" > Makefile.tem
				sed -e "/^####/  r ${srcdir}/${host_makefile_frag}" ${Makefile} >> Makefile.tem
			else
				echo "host_makefile_frag =" > Makefile.tem
				cat ${Makefile} >> Makefile.tem
			fi
			mv Makefile.tem ${Makefile}

			# Conditionalize the makefile for this target.
			if [ -f ${srcdir}/${target_makefile_frag} ] ; then
				echo "target_makefile_frag = ${srcdir}/${target_makefile_frag}" > Makefile.tem
				sed -e "/^####/  r ${srcdir}/${target_makefile_frag}" ${Makefile} >> Makefile.tem
			else
				echo "target_makefile_frag =" > Makefile.tem
				cat ${Makefile} >> Makefile.tem
			fi
			mv Makefile.tem ${Makefile}

			# set srcdir
			sed "s:^srcdir[ 	]*=.*$:srcdir = ${srcdir}:" ${Makefile} > Makefile.tem
			mv Makefile.tem ${Makefile}

			# set prefix
			if [ -n "${prefix}" ] ; then
				sed "s:^prefix[ 	]*=.*$:prefix = ${prefix}:" ${Makefile} > Makefile.tem
				mv Makefile.tem ${Makefile}
			fi

			# set datadir
			if [ -n "${datadir}" ] ; then
				sed "s:^datadir[ 	]*=.*$:datadir = ${datadir}:" ${Makefile} > Makefile.tem
				mv Makefile.tem ${Makefile}
			fi

			# reset SUBDIRS
			sed "s:^SUBDIRS[ 	]*=.*$:SUBDIRS = ${configdirs}:" ${Makefile} > Makefile.tem
			mv Makefile.tem ${Makefile}

			# reset NONSUBDIRS
			sed "s:^NONSUBDIRS[ 	]*=.*$:NONSUBDIRS = ${noconfigdirs}:" ${Makefile} > Makefile.tem
			mv Makefile.tem ${Makefile}

			# remove any form feeds.
			sed -e "s///" ${Makefile} > Makefile.tem
			mv Makefile.tem ${Makefile}

			# prepend warning about editting.
			echo "# "${NO_EDIT} > ${Makefile}.tem
			cat ${Makefile} >> ${Makefile}.tem
			mv Makefile.tem ${Makefile}

			using=
			if [ -f ${srcdir}/${host_makefile_frag} ] ; then
				using="${using} and \"${host_makefile_frag}\""
			fi
			if [ -f ${srcdir}/${target_makefile_frag} ] ; then
				using="${using} and \"${target_makefile_frag}\""
			fi
			if [ -n "${site}" -a \
			     -f ${srcdir}/${site_makefile_frag} ] ; then
				using="${using} and \"${site_makefile_frag}\""
			fi
			using=`echo "${using}" | sed 's/and/using/'`
			using="Created \"${Makefile}\" in ${PWD}${using}."

			if [ -n "${verbose}" -o -z "${recurring}" ] ; then
				echo ${using}
			fi

			. ${tmpfile}.pos

			# describe the chosen configuration in config.status.
			# Make that file a shellscript which will reestablish
			# the same configuration.  Used in Makefiles to rebuild
			# Makefiles.

			if [ -z "${norecursion}" ] ; then
				arguments="${arguments} -norecursion"
			fi

			echo "#!/bin/sh
# ${NO_EDIT}
# ${PWD} was configured as follows:
${progname}" ${arguments}  "
# ${using}" > config.status
			chmod a+x config.status

		fi

		# If there are subdirectories, then recur. 
		if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then 
			for configdir in ${configdirs} ; do
				if [ -n "${verbose}" ] ; then
					echo Configuring ${configdir}...
				fi

				if [ -d ${srcdir}/${configdir} ] ; then
					if [ "${srcdir}" != "." ] ; then
						if [ ! -d ./${configdir} ] ; then
							mkdir ./${configdir}
						fi
					fi

					POPDIR=${PWD}
					cd ${configdir} 

### figure out what to do with srcdir
					case "${srcdir}" in
					".") ;; # do nothing.  We're building in place.
					/*) srcdiroption="-srcdir=${srcdir}/${configdir}" ;; # absolute path
					*) srcdiroption="-srcdir=../${srcdir}/${configdir}" ;; # otherwise relative
					esac

### The recursion line is here.
					if [ -f configure ] ; then
						recprog=`pwd`/configure
					else
						recprog=${progname}
					fi

					if ${recprog} -recurring ${host_alias} -target=${target_alias} \
						${verbose} ${subdirs} ${removing} ${prefixoption} \
						${tmpdiroption} ${namesubdiroption} ${datadiroption} \
						${srcdiroption} ; then
						true
					else
						exit 1
					fi

					cd ${POPDIR}
				elif [ -n "${verbose}" ] ; then
					echo Warning: source directory \"${srcdir}/${configdir}\" is missing.
				fi
			done
		fi
	done # for each target
done # for each host

### clean up.

# trap cmd above handles this now:
#rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos

exit 0

#
# Local Variables:
# fill-column: 131
# End:
#

# end of configure